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Greenblatt

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22:41
2026-08-02
lesswrong.com
artificial-intelligence

Single Forward Pass Evals on Fable, Opus 5, and GPT-5.6-Sol

A Second Look Fellowship replication of single-forward-pass evals found that Fable 5, Opus 5, and GPT-5.6-Sol can perform 2-hop and 3-hop latent reasoning without chain-of-thought, with GPT-5.6-Sol im…

21:41
2026-06-25
forum.effectivealtruism.org
ai-policy

Concerning macrostrategic implications of Fable 5 export controls

The U.S. government imposed export controls on Anthropic's Fable 5 and Mythos AI models, the first such controls on an AI model, citing a narrow jailbreak vulnerability also present in competing model…

17:33
2026-06-17
lesswrong.com
ai-safety

Lock-In Risk Needs More Researchers; Here's Where to Start

Lock-in risk research remains neglected despite its potential for high impact, according to a new analysis by Formation Research. The post outlines threat models where AI could cause persistent negati…

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